diff --git a/clients/security_center/README.md b/clients/security_center/README.md
index 3be5f07f57..4f5cdd72ed 100644
--- a/clients/security_center/README.md
+++ b/clients/security_center/README.md
@@ -11,7 +11,7 @@ Install this package from [Hex](https://hex.pm) by adding
 
 ```elixir
 def deps do
-  [{:google_api_security_center, "~> 0.38"}]
+  [{:google_api_security_center, "~> 0.39"}]
 end
 ```
 
diff --git a/clients/security_center/lib/google_api/security_center/v1/metadata.ex b/clients/security_center/lib/google_api/security_center/v1/metadata.ex
index b38cea1819..fe2c4b089b 100644
--- a/clients/security_center/lib/google_api/security_center/v1/metadata.ex
+++ b/clients/security_center/lib/google_api/security_center/v1/metadata.ex
@@ -20,7 +20,7 @@ defmodule GoogleApi.SecurityCenter.V1 do
   API client metadata for GoogleApi.SecurityCenter.V1.
   """
 
-  @discovery_revision "20241206"
+  @discovery_revision "20250103"
 
   def discovery_revision(), do: @discovery_revision
 end
diff --git a/clients/security_center/lib/google_api/security_center/v1/model/attack.ex b/clients/security_center/lib/google_api/security_center/v1/model/attack.ex
index 63f44cfd24..02a9ebb0e8 100644
--- a/clients/security_center/lib/google_api/security_center/v1/model/attack.ex
+++ b/clients/security_center/lib/google_api/security_center/v1/model/attack.ex
@@ -22,8 +22,10 @@ defmodule GoogleApi.SecurityCenter.V1.Model.Attack do
   ## Attributes
 
   *   `classification` (*type:* `String.t`, *default:* `nil`) - Type of attack, for example, 'SYN-flood', 'NTP-udp', or 'CHARGEN-udp'.
-  *   `volumeBps` (*type:* `integer()`, *default:* `nil`) - Total BPS (bytes per second) volume of attack.
-  *   `volumePps` (*type:* `integer()`, *default:* `nil`) - Total PPS (packets per second) volume of attack.
+  *   `volumeBps` (*type:* `integer()`, *default:* `nil`) - Total BPS (bytes per second) volume of attack. Deprecated - refer to volume_bps_long instead.
+  *   `volumeBpsLong` (*type:* `String.t`, *default:* `nil`) - Total BPS (bytes per second) volume of attack.
+  *   `volumePps` (*type:* `integer()`, *default:* `nil`) - Total PPS (packets per second) volume of attack. Deprecated - refer to volume_pps_long instead.
+  *   `volumePpsLong` (*type:* `String.t`, *default:* `nil`) - Total PPS (packets per second) volume of attack.
   """
 
   use GoogleApi.Gax.ModelBase
@@ -31,12 +33,16 @@ defmodule GoogleApi.SecurityCenter.V1.Model.Attack do
   @type t :: %__MODULE__{
           :classification => String.t() | nil,
           :volumeBps => integer() | nil,
-          :volumePps => integer() | nil
+          :volumeBpsLong => String.t() | nil,
+          :volumePps => integer() | nil,
+          :volumePpsLong => String.t() | nil
         }
 
   field(:classification)
   field(:volumeBps)
+  field(:volumeBpsLong)
   field(:volumePps)
+  field(:volumePpsLong)
 end
 
 defimpl Poison.Decoder, for: GoogleApi.SecurityCenter.V1.Model.Attack do
diff --git a/clients/security_center/lib/google_api/security_center/v1/model/google_cloud_securitycenter_v2_attack.ex b/clients/security_center/lib/google_api/security_center/v1/model/google_cloud_securitycenter_v2_attack.ex
index 1165f43d9e..048d23a3fd 100644
--- a/clients/security_center/lib/google_api/security_center/v1/model/google_cloud_securitycenter_v2_attack.ex
+++ b/clients/security_center/lib/google_api/security_center/v1/model/google_cloud_securitycenter_v2_attack.ex
@@ -22,8 +22,10 @@ defmodule GoogleApi.SecurityCenter.V1.Model.GoogleCloudSecuritycenterV2Attack do
   ## Attributes
 
   *   `classification` (*type:* `String.t`, *default:* `nil`) - Type of attack, for example, 'SYN-flood', 'NTP-udp', or 'CHARGEN-udp'.
-  *   `volumeBps` (*type:* `integer()`, *default:* `nil`) - Total BPS (bytes per second) volume of attack.
-  *   `volumePps` (*type:* `integer()`, *default:* `nil`) - Total PPS (packets per second) volume of attack.
+  *   `volumeBps` (*type:* `integer()`, *default:* `nil`) - Total BPS (bytes per second) volume of attack. Deprecated - refer to volume_bps_long instead.
+  *   `volumeBpsLong` (*type:* `String.t`, *default:* `nil`) - Total BPS (bytes per second) volume of attack.
+  *   `volumePps` (*type:* `integer()`, *default:* `nil`) - Total PPS (packets per second) volume of attack. Deprecated - refer to volume_pps_long instead.
+  *   `volumePpsLong` (*type:* `String.t`, *default:* `nil`) - Total PPS (packets per second) volume of attack.
   """
 
   use GoogleApi.Gax.ModelBase
@@ -31,12 +33,16 @@ defmodule GoogleApi.SecurityCenter.V1.Model.GoogleCloudSecuritycenterV2Attack do
   @type t :: %__MODULE__{
           :classification => String.t() | nil,
           :volumeBps => integer() | nil,
-          :volumePps => integer() | nil
+          :volumeBpsLong => String.t() | nil,
+          :volumePps => integer() | nil,
+          :volumePpsLong => String.t() | nil
         }
 
   field(:classification)
   field(:volumeBps)
+  field(:volumeBpsLong)
   field(:volumePps)
+  field(:volumePpsLong)
 end
 
 defimpl Poison.Decoder, for: GoogleApi.SecurityCenter.V1.Model.GoogleCloudSecuritycenterV2Attack do
diff --git a/clients/security_center/mix.exs b/clients/security_center/mix.exs
index 83ba3f0a43..83c41ea228 100644
--- a/clients/security_center/mix.exs
+++ b/clients/security_center/mix.exs
@@ -18,7 +18,7 @@
 defmodule GoogleApi.SecurityCenter.Mixfile do
   use Mix.Project
 
-  @version "0.38.0"
+  @version "0.39.0"
 
   def project() do
     [